Clubs
| Name | Short name | Club type |
|---|---|---|
| 1900 | 1900 | Social club |
| 1912 | 1912 | Social club |
| 1917 Club | 1917 | Social club |
| 1920 Club | 1920 | Social club |
| Albany Club | Albany | Social club |
| Albemarle | Albemarle | Social club |
| Albion Club | Albion | Social club |
| Aldwych Club | Aldwych | Social club |
| Alfred | Alfred | Social club |
| All England Lawn Tennis Club | All England Lawn Tennis | Sporting Club |
| Allies | Allies | Social club |
| Alpine Club | Alpine | Social club |
| Argentine Club | Argentine | Social club |
| Army and Navy Club | Army and Navy | Social club |
| Arthurs' Club | Arthurs' | Social club |
| Arts Club | Arts | Social club |
| Athenaeum | Athenaeum | Political club |
| Australasian Club | Australasian | Social club |
| Authors' Club | Authors' | Social club |
| Automobile Club | Automobile | Social club |